Learonal, Inc.
Records under this name other than patents Learonal, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,071,398 | Programmed pulse electroplating process Lapsed on the fee record Ended Jun 6, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jun 6, 2012 | From the USPTO record |
| US 6,210,556 | Electrolyte and tin-silver electroplating process Lapsed on the fee record Ended Apr 3, 2009 · From the USPTO record | Lapsed on the fee record | Ended Apr 3, 2009 | From the USPTO record |
| US 3,963,455 | Electrodeposited gold plating Term ended Term ended no later than Jun 15, 1996 · Low confidence | Term ended | Term ended no later than Jun 15, 1996 | Low confidence |
| US 3,972,787 | Palladium electrolyte baths utilizing quaternized pyridine compounds as brighteners Term ended Term ended no later than Aug 3, 1996 · Low confidence | Term ended | Term ended no later than Aug 3, 1996 | Low confidence |
| US 4,000,047 | Electrodeposition of tin, lead and tin-lead alloys Term ended Term ended no later than Dec 28, 1996 · Low confidence | Term ended | Term ended no later than Dec 28, 1996 | Low confidence |
| US 4,179,344 | Gold alloy plating compositions and method Term ended Term ended no later than Dec 18, 1999 · Low confidence | Term ended | Term ended no later than Dec 18, 1999 | Low confidence |
| US 4,233,344 | Method of improving the adhesion of electroless metal deposits employing colloidal copper activator Term ended Term ended no later than Nov 11, 2000 · Low confidence | Term ended | Term ended no later than Nov 11, 2000 | Low confidence |
| US 4,247,372 | Silver plating Term ended Term ended no later than Jan 27, 2001 · Low confidence | Term ended | Term ended no later than Jan 27, 2001 | Low confidence |
| US 4,378,270 | Method of etching circuit boards and recovering copper from the spent etch solutions Term ended Term ended no later than Mar 29, 2003 · Low confidence | Term ended | Term ended no later than Mar 29, 2003 | Low confidence |
| US 4,399,006 | Silver plating Term ended Term ended no later than Aug 16, 2003 · Low confidence | Term ended | Term ended no later than Aug 16, 2003 | Low confidence |